kc3-lang/angle/src/libANGLE/renderer/ProgramImpl.h

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• Author : Jamie Madill
  Date : 2018-10-18 16:56:20
  Hash : f4a789f9
  Message : Use angle::Result in front-end (Part 6) Refactors the gl::Program, gl::Compiler and gl::Query classes. Bug: angleproject:2491 Change-Id: I96acecdc6af301a89201bd7f5222a180433e5eb2 Reviewed-on: https://chromium-review.googlesource.com/c/1289711 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• src/libANGLE/renderer/ProgramImpl.h

• //
  // Copyright 2014 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // ProgramImpl.h: Defines the abstract rx::ProgramImpl class.
  
  #ifndef LIBANGLE_RENDERER_PROGRAMIMPL_H_
  #define LIBANGLE_RENDERER_PROGRAMIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/BinaryStream.h"
  #include "libANGLE/Constants.h"
  #include "libANGLE/Program.h"
  #include "libANGLE/Shader.h"
  
  #include <map>
  
  namespace gl
  {
  class Context;
  struct ProgramLinkedResources;
  }
  
  namespace sh
  {
  struct BlockMemberInfo;
  }
  
  namespace rx
  {
  
  // Provides a mechanism to access the result of asynchronous linking.
  class LinkEvent : angle::NonCopyable
  {
    public:
      virtual ~LinkEvent(){};
  
      // Please be aware that these methods may be called under a gl::Context other
      // than the one where the LinkEvent was created.
      //
      // Waits until the linking is actually done. Returns true if the linking
      // succeeded, false otherwise.
      virtual angle::Result wait(const gl::Context *context) = 0;
      // Peeks whether the linking is still ongoing.
      virtual bool isLinking() = 0;
  };
  
  // Wraps an already done linking.
  class LinkEventDone final : public LinkEvent
  {
    public:
      LinkEventDone(angle::Result result) : mResult(result) {}
      angle::Result wait(const gl::Context *context) override { return mResult; }
      bool isLinking() override { return false; }
  
    private:
      angle::Result mResult;
  };
  
  class ProgramImpl : angle::NonCopyable
  {
    public:
      ProgramImpl(const gl::ProgramState &state) : mState(state) {}
      virtual ~ProgramImpl() {}
      virtual void destroy(const gl::Context *context) {}
  
      virtual angle::Result load(const gl::Context *context,
                                 gl::InfoLog &infoLog,
                                 gl::BinaryInputStream *stream)                     = 0;
      virtual void save(const gl::Context *context, gl::BinaryOutputStream *stream) = 0;
      virtual void setBinaryRetrievableHint(bool retrievable) = 0;
      virtual void setSeparable(bool separable)               = 0;
  
      virtual std::unique_ptr<LinkEvent> link(const gl::Context *context,
                                              const gl::ProgramLinkedResources &resources,
                                              gl::InfoLog &infoLog)          = 0;
      virtual GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog) = 0;
  
      virtual void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform1iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform2iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform3iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform4iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
  
      // Done in the back-end to avoid having to keep a system copy of uniform data.
      virtual void getUniformfv(const gl::Context *context,
                                GLint location,
                                GLfloat *params) const = 0;
      virtual void getUniformiv(const gl::Context *context, GLint location, GLint *params) const = 0;
      virtual void getUniformuiv(const gl::Context *context,
                                 GLint location,
                                 GLuint *params) const = 0;
  
      // CHROMIUM_path_rendering
      // Set parameters to control fragment shader input variable interpolation
      virtual void setPathFragmentInputGen(const std::string &inputName,
                                           GLenum genMode,
                                           GLint components,
                                           const GLfloat *coeffs) = 0;
  
      // Implementation-specific method for ignoring unreferenced uniforms. Some implementations may
      // perform more extensive analysis and ignore some locations that ANGLE doesn't detect as
      // unreferenced. This method is not required to be overriden by a back-end.
      virtual void markUnusedUniformLocations(std::vector<gl::VariableLocation> *uniformLocations,
                                              std::vector<gl::SamplerBinding> *samplerBindings,
                                              std::vector<gl::ImageBinding> *imageBindings)
      {
      }
  
      const gl::ProgramState &getState() const { return mState; }
  
      virtual angle::Result syncState(const gl::Context *context,
                                      const gl::Program::DirtyBits &dirtyBits);
  
    protected:
      const gl::ProgramState &mState;
  };
  
  inline angle::Result ProgramImpl::syncState(const gl::Context *context,
                                              const gl::Program::DirtyBits &dirtyBits)
  {
      return angle::Result::Continue();
  }
  
  }  // namespace rx
  
  #endif // LIBANGLE_RENDERER_PROGRAMIMPL_H_